作者:Maurizio Taddei、Giacomo Minetto、L. Raffaella Lampariello
DOI:10.1055/s-2005-918926
日期:——
3,4,6-Trisubstituted pyridazines are prepared through a microwave-assisted cyclocondensation of differently substituted 1,4-diketones and hydrazine in the presence of DDQ. The 1,4-diketones can be easily prepared through a functional homologation of commercially available β-keto esters providing a very rapid entry to these family of pharmaceutically important compounds.
3,4,6-三取代哒嗪是通过不同取代的 1,4-二酮和肼在 DDQ 存在下进行微波辅助环缩合而制备的。1,4-二酮可以通过市售 ²-酮酯的功能同源反应轻松制备,从而非常快速地进入这些具有重要药用价值的化合物家族。